package acwing.二分;

import java.util.Scanner;

/**
 * 扫地机器人
 *
 * @author yang
 * @date 2021/12/15
 */
public class 扫地机器人 {

    static int n, k;
    static int a[] = new int[100005];

    public static void main(String[] args) {

        Scanner sc = new Scanner(System.in);
        n = sc.nextInt();
        k = sc.nextInt();
        for (int i = 0; i < k; k++) {
            a[i] = sc.nextInt();
        }
        int Q; // 区间大小

    }
}
